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Revert "Don't include sk keys at all in KEX list"

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This reverts git commit f972813ecd.
The sk algorithms need to remain in the sigalgs list so that they
are included in the server-sig-algs ext-info message sent by
the server. RFC8308 for server-sig-algs requires that all algorithms are
listed (though OpenSSH client 8.4p1 tested doesn't require that)
This commit is contained in:
Matt Johnston 2022-03-24 13:42:08 +08:00
parent 635ae3d500
commit 3521b58690
2 changed files with 12 additions and 0 deletions
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6
common-algo.c
View File

@ -239,6 +239,9 @@ algo_type ssh_nocompress[] = {
algo_type sigalgs[] = {
#if DROPBEAR_ED25519
{"ssh-ed25519", DROPBEAR_SIGNATURE_ED25519, NULL, 1, NULL},
#if DROPBEAR_SK_ED25519
{"sk-ssh-ed25519@openssh.com", DROPBEAR_SIGNATURE_SK_ED25519, NULL, 1, NULL},
#endif
#endif
#if DROPBEAR_ECDSA
#if DROPBEAR_ECC_256
@ -250,6 +253,9 @@ algo_type sigalgs[] = {
#if DROPBEAR_ECC_521
{"ecdsa-sha2-nistp521", DROPBEAR_SIGNATURE_ECDSA_NISTP521, NULL, 1, NULL},
#endif
#if DROPBEAR_SK_ECDSA
{"sk-ecdsa-sha2-nistp256@openssh.com", DROPBEAR_SIGNATURE_SK_ECDSA_NISTP256, NULL, 1, NULL},
#endif
#endif
#if DROPBEAR_RSA
#if DROPBEAR_RSA_SHA256

6
svr-runopts.c
View File

@ -687,6 +687,12 @@ void load_all_hostkeys() {
any_keys = 1;
}
#endif
#if DROPBEAR_SK_ECDSA
disablekey(DROPBEAR_SIGNKEY_SK_ECDSA_NISTP256);
#endif
#if DROPBEAR_SK_ED25519
disablekey(DROPBEAR_SIGNKEY_SK_ED25519);
#endif
if (!any_keys) {
dropbear_exit("No hostkeys available. 'dropbear -R' may be useful or run dropbearkey.");